=LDR            22        4500
=001  4621
=082  04$a1992 MIT
=100  1\$aMitchell, Seamus
=245  10$aRadon gas: a review with emphasis on site investigations and measurements of soil gas and indoor house levels
=260  \\$aDublin :$bUniversity of Dublin, Trinity College,$c1992
=650  \0$aTheses
=852  \\$bFreeman Library$h1992 MIT